#include "myStdio.h"
#include <stdio.h>
int main()
{
    FILE_* fp = fopen_("./log.txt", "w");
    if(fp == NULL)
    {
        return 1;
    }
    int cnt = 10;
    const char* msg ="hello world!";
    while(1)
    {
        cnt--;
        fwrite_(msg, strlen(msg), fp);
        sleep(1);
        printf("count:%d\n", cnt);
        if(cnt == 5)
        {
            fflush_(fp);
        }
        if(cnt == 0)
        {
            break;
        }
    }
    fclose_(fp);

    return 0;
}
